<template>
  <el-form>
    <el-form-item>
      <el-radio v-model="radioValue" :value="1"> 秒，允许的通配符[, - * /] </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :value="2">
        周期从
        <el-input-number v-model="cycle01" :min="0" :max="58" /> -
        <el-input-number v-model="cycle02" :min="cycle01 + 1" :max="59" /> 秒
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :value="3">
        从
        <el-input-number v-model="average01" :min="0" :max="58" /> 秒开始，每
        <el-input-number v-model="average02" :min="1" :max="59 - average01" /> 秒执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :value="4">
        指定
        <el-select
          clearable
          v-model="checkboxList"
          placeholder="可多选"
          multiple
          :multiple-limit="10"
        >
          <el-option v-for="item in 60" :key="item" :label="item - 1" :value="item - 1" />
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>

<script setup>
  const emit = defineEmits(['update']);
  const props = defineProps({
    cron: {
      type: Object,
      default: {
        second: '*',
        min: '*',
        hour: '*',
        day: '*',
        month: '*',
        week: '?',
        year: '',
      },
    },
    check: {
      type: Function,
      default: () => {},
    },
  });
  const radioValue = ref(1);
  const cycle01 = ref(0);
  const cycle02 = ref(1);
  const average01 = ref(0);
  const average02 = ref(1);
  const checkboxList = ref([]);
  const checkCopy = ref([0]);
  const cycleTotal = computed(() => {
    cycle01.value = props.check(cycle01.value, 0, 58);
    cycle02.value = props.check(cycle02.value, cycle01.value + 1, 59);
    return cycle01.value + '-' + cycle02.value;
  });
  const averageTotal = computed(() => {
    average01.value = props.check(average01.value, 0, 58);
    average02.value = props.check(average02.value, 1, 59 - average01.value);
    return average01.value + '/' + average02.value;
  });
  const checkboxString = computed(() => {
    return checkboxList.value.join(',');
  });
  watch(
    () => props.cron.second,
    (value) => changeRadioValue(value),
  );
  watch([radioValue, cycleTotal, averageTotal, checkboxString], () => onRadioChange());
  function changeRadioValue(value) {
    if (value === '*') {
      radioValue.value = 1;
    } else if (value.indexOf('-') > -1) {
      const indexArr = value.split('-');
      cycle01.value = Number(indexArr[0]);
      cycle02.value = Number(indexArr[1]);
      radioValue.value = 2;
    } else if (value.indexOf('/') > -1) {
      const indexArr = value.split('/');
      average01.value = Number(indexArr[0]);
      average02.value = Number(indexArr[1]);
      radioValue.value = 3;
    } else {
      checkboxList.value = [...new Set(value.split(',').map((item) => Number(item)))];
      radioValue.value = 4;
    }
  }
  // 单选按钮值变化时
  function onRadioChange() {
    switch (radioValue.value) {
      case 1:
        emit('update', 'second', '*', 'second');
        break;
      case 2:
        emit('update', 'second', cycleTotal.value, 'second');
        break;
      case 3:
        emit('update', 'second', averageTotal.value, 'second');
        break;
      case 4:
        if (checkboxList.value.length === 0) {
          checkboxList.value.push(checkCopy.value[0]);
        } else {
          checkCopy.value = checkboxList.value;
        }
        emit('update', 'second', checkboxString.value, 'second');
        break;
    }
  }
</script>

<style lang="scss" scoped>
  .el-input-number--small,
  .el-select,
  .el-select--small {
    margin: 0 0.2rem;
  }
  .el-select,
  .el-select--small {
    width: 18.8rem;
  }
</style>
